/** 
 * @author xiaoshan E-mail: xiaoshan2242@gmail.com
 * @version 0.00.01 ����ʱ�䣺Sep 19, 2008 10:15:40 AM 
 * ��˵�� 
 */

package com.walllee.core.util.json;

import java.sql.Date;
import java.text.SimpleDateFormat;

import net.sf.json.JsonConfig;
import net.sf.json.processors.JsonValueProcessor;

public class DateJsonValueProcessorImpl implements JsonValueProcessor {
	private String format = "yyyy-MM-dd";

	public DateJsonValueProcessorImpl() {
	}

	public DateJsonValueProcessorImpl(String format) {
		this.format = format;
	}

	public Object processArrayValue(Object value, JsonConfig jsonConfig) {
		String[] obj = {};
		if (value instanceof Date[]) {
			SimpleDateFormat sf = new SimpleDateFormat(format);
			Date[] dates = (Date[]) value;
			obj = new String[dates.length];
			for (int i = 0; i < dates.length; i++) {
				obj[i] = sf.format(dates[i]);
			}
		}
		return obj;
	}

	public Object processObjectValue(String arg0, Object value, JsonConfig arg2) {
		if (value == null) return "" ;
		
		if (value instanceof Date) {
			String str = new SimpleDateFormat(format).format((Date) value);
			return str;
		}
		return value.toString();
	}

}
